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Add to SafariWhen comparing dotCloud vs Google App Engine, the Slant community recommends Google App Engine for most people. In the question“What are the best Platform-as-a-Services (PaaS) to deploy a Python web application?” Google App Engine is ranked 3rd while dotCloud is ranked 4th. The most important reason people chose Google App Engine is:
Google App Engine integrates with Google's CDN out of the box and it distributes your application's assets through that, increasing loading speed considerably.
Question Ranking
Pros
Pro Adjust per-instance memory
Most other PaaS providers only allow for multiple, low-memory instances for horizontal scaling, but dotCloud also allows for vertical scaling and resource-heavy applications by adjusting per-instance memory availability.
Pro Quick deployment
dotCloud is usually very fast when it comes to deploying your project. The CLI tool is very good at that and deploys your build almost as soon as you push it.
Pro Thorough Documentation
The documentation is very good an explains everything in-depth.
Pro Support for various types of databases
Supports Postgres, MongoDB, RabbitMQ, Redis, and MySQL. All of these can be used without any additional pricing, no need to pay for expensive addons.
Pro Increases application speed considerably
Google App Engine integrates with Google's CDN out of the box and it distributes your application's assets through that, increasing loading speed considerably.
Pro Easy to use
Google App Engine is very easy to use. All you need to do is install the SDK (which in itself is easy as well, and the documentation is very heplful) and run the command needed depending on the type of project to deploy it.
For example, to deploy a golang application, you run golang deploy inside the project folder and it will be automatically deployed.
Cons
Con Poor database performance
When your databases have a very high write volume dotCloud starts having some serious problems keeping up with it. Performance drops completely and in the worst case scenario the database crashes and starts going down daily.
Con Not a core Google product faces uncertin future
Google is notorious with flipping on technology directions, this product is clearly not the focus of Google.
Con Expenses are very hard to control
The monitoring for expenses is limited at best.
Con Problematic support even in the paid grade
Con No SQL database available
Google App Engine uses Google's NoSQL cloud database. There's no option to use a SQL database with your application.
